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A member asked:
What should t3 (liothyronine) levels be during pregnancy? mine is currently 1.54
A doctor has provided 1 answer
Pregnancy thyroid: T4 and t3 (liothyronine) are bound to blood proteins. The level of these proteins goes up in pregnancy, so the level of total T4 and t3 (liothyronine) goes up, but the level of "free" T4 t3 (liothyronine) stays normal. The normal range depends on the lab, and the units. I do not recognize "1.54". A normal total t3 (liothyronine) in non-pregnant is about 90-190 ng/dl. It is higher in pregnancy, and if there is suspicion of hyper then you need a free t3 (liothyronine).
Answered 1/15/2015
4.3k views
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